What's the name of that musical instrument in the 7-up advertisement?

The musical instrument in the 7-up advertisement is called Pipa, and the record about Pipa first appeared 2000 years ago. In the Eastern Han Dynasty (25-220 BC), Liu Xi, a scholar, wrote in Ming Shi: "Loquat was called loquat before pushing hands, but it was called loquat when pushing hands, just like when drumming, so it was named". However, the shape of the pipa at that time was different from that of today, with a straight neck, a round horn and unstable phonemes and chords. The number of strings varies from 456. At that time, this kind of pipa was called "Qin Pipa" or "Qin Hanzi". In fact, it is the predecessor of our national musical instrument zhongruan today. Its name comes from Ruan Xian, one of the seven sages of bamboo forest in Jin Dynasty. Ruan Xian is famous for playing this kind of pipa. Later generations called this instrument Ruan Xian or Ruan for short. The name of pipa was given to the later music Pipa Xing.